package function;

import java.util.Random;

public class account_maker {
    public static String account_maker() {
        String number = "139";//定义电话号码以139开头
        Random random = new Random();//定义random，产生随机数
        for (int j = 0; j < 8; j++) {
            //生成0~9 随机数
            number += random.nextInt(9);
        }
        return number;
    }
}
